6611197 has 4 divisors (see below), whose sum is σ = 6789916. Its totient is φ = 6432480.

The previous prime is 6611191. The next prime is 6611219. The reversal of 6611197 is 7911166.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5861241 + 749956 = 2421^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 6611197 - 2¹¹ = 6609149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6611191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89304 + ... + 89377.

It is an arithmetic number, because the mean of its divisors is an integer number (1697479).

Almost surely, 2^6611197 is an apocalyptic number.

It is an amenable number.

6611197 is a deficient number, since it is larger than the sum of its proper divisors (178719).

6611197 is a wasteful number, since it uses less digits than its factorization.

6611197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178718.

The product of its digits is 2268, while the sum is 31.

The square root of 6611197 is about 2571.2248054186. The cubic root of 6611197 is about 187.6837617690.

Subtracting from 6611197 its sum of digits (31), we obtain a palindrome (6611166).

The spelling of 6611197 in words is "six million, six hundred eleven thousand, one hundred ninety-seven".